Edward e



'(No Model.)

E. E. SPENCER.

RIVET SETTING MACHINE.

Patented May 8, 1883.

INVENTOR Ekwmk 1. vwwf WITNESSES:

,/Z/ W ATTORNEYS N. PETERS. Phomuxhp n mr. Washinglun. D. C.

UNITED STATES PATENT OFFICE.

EDWARD E. SPENCER, OF NEW YORK, N. Y.

RIV'ET-SETTING MACHINE.

SPECIFICATION forming part of Letters Patent No. 277,369, dated May 8,1883 Application filed January 16, 1883. (No model.)

To all whom it may concern:

.Be it known that I, EDWARD E. SPENCER, a citizen of the United States,residing at New York, in the county and State of New York, have inventednew and useful Improvements in Rivet-Setting Machines, of which thefollowing is a specification.

This invention relates to an improvement in machines for setting hollowrivets, the object of my invention being to adapt a machine of thatclass for the purpose of fastening buttons, buckles, or other articlesof a similar nature to a support of leather or other material.

The nature of my invention is pointed out in the following specificationand illustrated in the accompanying drawings, in which- Figure 1represents a sectional side view when the plunger is up. Fig. 2 is asimilar view when the plunger is down. Fig. 3 is a transversesection inthe plane as m, Fig. 1.

Similar letters indicate corresponding parts.

Referring to the drawings, the letter A indicates the head of the frame,which forms a support and guide for a vertically-reciprocating plunger,B; and A indicates an arm or table joined to the frame which carries thehead A, and serving to support the anvil 0 directly under the plunger.The frame to which the head and arm or table are joined I do notconsider it essential to represent, as it is the usual upright orstandard common in presses or punches. The plunger B in practice may beconnected by an arm, B, with the usual treadle l mechanism supported inthe standard, as usual,

for reciprocating the plunger B 5 but, if desired, the latter can beforced down by a hammer and retracted by a spring, such features,however, constituting no part of'my invention.

To the head A are firmly secured two depending spring-arms, 1) D, to thelower ends of which are attached the jaws E E, each of which is providedwith a cavity, a, for receiving the tubular rivet b, and with a recess,0, lor receiving the washer d, as shown in Fig. 1.

The anvil O is of cylindrical or other form, and is secured within acorrespondingly-shaped socket, a, in the lower portion of a ring, G, bymeans of a set-screw, a or otherwise, said ring being secured to the armor table A, so as to bring the anvil directly into line with theplunger, and the anvil having a shank, a which sets within a socket inthe'arm or tathe cavity containingthe anvil and forming a ble. The ring0, at its upper portion, is provided with a circular orother'suitably-shaped cavity, '6, for receiving the button or other ar-5 5 ticle, c, to be attached to the work M. The form of the cavity 0will of course be varied to suit the shape of the article-such as abuckleto be attached to the work M; but in any event the anvil will bearranged in the ring-G, so that its center will be broughtinto line withthe hole through the article which is to be attached by the rivet.

After the button (or other device) has been dropped into the cavity 0,the leather or other material, M, (to which said button is to befastened, and which may be provided with a hole to admit the rivet,) isplaced upon the anvil and adjusted in the required position, and thenthe plunger B is depressed. (See Fig. 2.) As the plunger descends thejaws E E are gradually opened, so as to release the rivet and 'thewasher, the shank of the rivet is driven through the holes in thematerial M and in the button, and as the tip of said shank strikes theanvil it is spread open and-clinched on the face of the button, whilethe washer d remains between the head of the rivet and the mate rial M,as shown in Fig. 2.

I do not claim as my invention the plunger, the anvil, and thespring-jaws for retaining the rivets, such being in common use.

My spring-jaws also contain a recess for the reception of the washer.

What I claim as new, and desire to secure by :5

Letters Patent, isv 1. The combination, substantially as here inbeforedescribed,-of the plunger, the anvil, and the spring-jaws, provided witha cavity for retaining the rivet and with a recess for retaining thewasher.

2. The combination, substantially as hereinbefore described, of theplungr, the anvil, the spring-jaws for retaining the rivet, and

guide for the button or other article to be fastened. In testimonywhereof I have hereunto set my hand and seal in the presence of twosubscribing witnesses.

EDWARD E. SPENCER. Witnesses:

W. HAUFF, E. F. KASTENHUBER.

